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How to Check the Z axis limit switch or cable is broken

Robin Shakya

How to Check the Z axis limit switch or cable is broken

1. Checking Z axis button

Sometime Z axis button can be jammed. You can check by pressing the Z axis button while pressing Z axis button you will hear clicking sound and can see moving Z axis limit switch and LED light will turn on. If you did not hear clicking sound and cannot see the moving limit switch, then something wrong with button of Z axis limit Switch

2. Checking Z axis Limit Switch manually

i. Select Set Up=> Select Jog Mode=> Select Z axis

ii. Press and hold button to move the Z axis upward.

iii. Press Z axis limit switch by hand when you press Z axis limit Switch, LED light should be turned on and Z axis will stop moving. If it did not stop after pressing the Z axis limit switch. Then either Z axis the limit switch or limit switch cable is broken.

3. Limit switch or cable of limit switch is broken

i. You need to open button cover. Unscrew these two screw see the picture. Turn printer faces button part towards you.

vi. Press Z axis limit switch by hand. (We have installed the Y axis limit switch into the Z limit switch. The Y limit Switch worked normally). When you press the Z axis limit switch. The build plate should stop moving. If it did not stop, then your Z axis limit switch cable is broken.